jayjan2046

97啦

icy2828

total lost $197

foofoo8282

....ME A BIT STUPID 179+ITEM......CORRECT.....

shhak47

97元，肯定对

209241

亏了197+礼物

davelui

?????????

prozzy

the answer is -$97 for sure.
  s% A2 k5 J3 J9 }; R/ A5.39.217.77:8898Think about it this way
. n. c5 J! B- r% O- f! K2 ~" D9 i1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)公仔箱論壇6 ~5 W% ?; i  |$ e7 Q% }4 r
2) Now, the owner discovered that the 100 bucks is fake. You can think this as a lost of $100. therefore the overall gain is $3-$100 = -$97

dg168168

ryukihero

79-(21-18)+100+18=197

sisccsis

i would say $97 (79 + 18)

tmac2008

97 easy

tat_tat0210

i think it's 77
; c9 n  i7 z& p* o8 e公仔箱論壇# t3 o' V  c& L& z
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =
( r* v) l5 G: t, ?) ?TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。
7 P( }1 S8 B6 U8 G- O( D[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18